81441736

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{503}}^1\times {\mathrm{547}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 157429440

約数和(自身を除く): 75987704

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 503, 547, 1006, 1094, 2012, 2188, 4024, 4376, 18611, 20239, 37222, 40478, 74444, 80956, 148888, 161912, 275141, 550282, 1100564, 2201128, 10180217, 20360434, 40720868, 81441736]

約数ペア:

[(1, 81441736), (2, 40720868), (4, 20360434), (8, 10180217), (37, 2201128), (74, 1100564), (148, 550282), (296, 275141), (503, 161912), (547, 148888), (1006, 80956), (1094, 74444), (2012, 40478), (2188, 37222), (4024, 20239), (4376, 18611)]